/Engine/Plugins/Runtime/XRBase/Source/XRBase/Public/HeadMountedDisplayFunctionLibrary.h
Change the texture displayed on the social screen
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Input|HeadMountedDisplay|SpectatorScreen") static void SetSpectatorScreenTexture ( [UTexture](API\Runtime\Engine\Engine\UTexture) * InTexture )